BQ2085DBTR-V1P3G4

Overview

Product Category: Integrated Circuit (IC)

Use: Battery Fuel Gauge

Characteristics: - Monitors and reports battery capacity - Provides accurate estimation of remaining battery life - Enables efficient power management

Package: DBT (SOT-23-6)

Essence: The BQ2085DBTR-V1P3G4 is a highly integrated IC designed for battery fuel gauging in portable electronic devices.

Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Operating Voltage Range: 2.7V to 3.6V
• Battery Capacity Measurement Range: 0mAh to 65535mAh
• Communication Interface: I2C
• Temperature Range: -40°C to +85°C
• Accuracy: ±1% (typical)
• Low Power Consumption: 50µA (typical)

Detailed Pin Configuration

The BQ2085DBTR-V1P3G4 has the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VSS | Ground | | 2 | SDA | I2C Data | | 3 | SCL | I2C Clock | | 4 | VDD | Power Supply| | 5 | TS | Temperature Sensor Input | | 6 | BAT | Battery Voltage Input |

Functional Features

• Accurate measurement and reporting of battery capacity
• Real-time estimation of remaining battery life
• Support for multiple battery chemistries
• Integrated temperature sensor for accurate readings
• Low power consumption for extended battery life
• Flexible communication interface for easy integration

Advantages and Disadvantages

Advantages: - Accurate fuel gauging for optimal power management - Wide operating voltage range for compatibility with various devices - Low power consumption prolongs battery life - Integrated temperature sensor enhances accuracy

Disadvantages: - Limited to I2C communication interface - Requires external components for complete battery monitoring system

Working Principles

The BQ2085DBTR-V1P3G4 works by continuously monitoring the battery voltage and current, along with temperature readings. It uses an advanced algorithm to accurately estimate the remaining battery capacity and calculate the remaining runtime. The IC communicates with the host device through the I2C interface, providing real-time battery information for efficient power management.

Detailed Application Field Plans

The BQ2085DBTR-V1P3G4 is widely used in portable electronic devices that require accurate battery monitoring and power management. Some common application fields include:

1. Smartphones and Tablets: Ensures accurate battery level indication and estimates remaining usage time.
2. Laptops and Ultrabooks: Optimizes power consumption and provides accurate battery status information.
3. Wearable Devices: Monitors battery capacity and estimates remaining battery life for fitness trackers, smartwatches, etc.
4. Portable Medical Devices: Enables precise battery monitoring for critical medical equipment.
5. Industrial Equipment: Provides reliable battery status information for uninterrupted operation.

Detailed and Complete Alternative Models

1. BQ27441-G1A: Similar functionality with additional support for gas gauge mode.
2. MAX17043G+T: Integrated fuel gauge with high accuracy and low power consumption.
3. LTC2943CMS#PBF: Battery gas gauge with I2C interface and integrated Coulomb counter.

These alternative models offer similar features and can be considered as alternatives to the BQ2085DBTR-V1P3G4 based on specific requirements and application needs.

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